courier will knock on a door and tell a person's family he is okay and bring him news about life in china or if he has moved to the united states or south korea or some such place, news about that country. and then the exiles who have escaped are doing things like setting up radio stations in south korea that broadcast information to north korea. >> they are beginning, north koreans are beginning to be empowered by information and once they are empowered by information the hope is that they will demand more from their regime. >> greta: i got to go. a great book. thank you for joining us. >> thank you. >> greta: it is everywhere. does it make the cut for the best viral video? best viral video? don't forget to post y y y y y this family used capital one venture miles to come home for the holidays. that's double miles you can actually use... sadly, their brother's white christmas just got "blacked out." [ brother ] but it's the family party! really jingles your bells, doesn't it? my gift to you! the capital one venture card! for any flight, any time! that's double miles you can actually use!